Short answer: the Minirig 4 with subwoofer, if you are buying new. The Minirig 3 with subwoofer ranks higher than the Marshall Kilburn II (#6 vs #42 of 120 large speakers) but is discontinued; its replacement, the Minirig 4 with subwoofer, is rated 4.6/5 at $290 and is still sold new.
The Minirig 3 with subwoofer is the better-sounding, deeper-bass choice. A compact speaker and subwoofer pair with very balanced sound and a long battery, now discontinued but worth buying used. Its bass reaches about 47Hz before falling 10dB, against 58Hz for the Marshall Kilburn II. It is rated for 30 hours of battery against 20 for the Marshall Kilburn II. At 3.1 lbs (1.42 kg) it weighs much less than the Marshall Kilburn II at 5.5 lbs (2.49 kg). The tradeoff: Not stereo, app is buggy.
The case for the Marshall Kilburn II: A rugged Marshall styled stereo speaker with a leather handle, quick charging and a sound that suits rock. It plays in stereo from a single unit, unlike the Minirig 3 with subwoofer. The catch: Boosted upper bass, not very detailed, not as deep bass as competitors, upper mids peak.
Buy the Minirig 4 with subwoofer, the replacement for the discontinued Minirig 3 with subwoofer; it is rated higher for sound quality than the Marshall Kilburn II.
Looking for alternatives? See the complete Portable Bluetooth rankings.
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Specifications Side By Side
| Minirig 3 with subwoofer | Marshall Kilburn II | |
|---|---|---|
| Price | $260 Discontinued | $219.00 |
| Ranked | #6 of 120 in Large Size Portable Bluetooth Speakers | #42 of 120 in Large Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Aux Latency | 1ms | - |
| Bass Extension (-10dB) | 47Hz | ~58Hz |
| Battery Life | 30 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | Splash resistant | IPX2 |
| Bluetooth Latency | 60ms | - |
| Maximum SPL | 103dB (measured by Alan Ross Reviews) | 102dB (Manufacturer specified) |
| Power Bank | No | No |
| Power Input | Proprietary USB cable | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Pointing up | No |
| TWS | Yes (Bluetooth or cable) | Yes |
| Weight | 3.1 lbs (1.42 kg) | 5.5 lbs (2.49 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Party Mode | No | No |
| Bluetooth Version | 5.0 | 5.0 |
| Dimensions | 4” x 2.9” (101.6 x 73 mm) (diameter x height) | 9.6” x 6.4” x 5.5” (243 x 162 x 140 mm) |
| Drivers | 70mm custom driver | 1x 4” (102mm) woofer + 2x 20mm dome tweeters |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) | - |
| Amplifier Power | 40W | 36W |
| Digital Aux Input | No | No |
| Strap | - | Yes (built-in strap) |
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